FIELD: TV engineering. SUBSTANCE: device has delay line, subtraction unit, high-frequency pre-distortion corrector, amplitude limiter, lower frequency filter, voltage-controllable generator, high-frequency predistortion filter, tuneable band-pass filter, controlled delay line, pulse duration/amplitude converter, differentiating unit and frequency detector. Frequency-adaptive separation system for selecting brightness and color signals provides improvement in horizontal definition of TV image. EFFECT: improved horizontal definition. 1 dwg
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